using basic functions
Switch to or from the silent profile
In Idle mode, select Keypad and touch and hold 
to silence or unsilence your phone.
Set a phone profile
To change the ringtone of the current profile,
1.In Menu mode, select Settings → Phone profiles.
2.Scroll to the profile you are using.
If you are using the silent or offline profile, you are not allowed to change the ringtone.
3.Select Edit → Voice call ringtone.
4.Select a ringtone category → a ringtone.
5.Select Save or Set → Save.
To switch to another profile, select it from the list and select Save.
To create a phone profile,
1.In Menu mode, select Settings → Phone profiles.
2.Select Create.
3.Enter a name for the profile and select Done.
4.Customize the sound settings as desired.
5.When you are finished, select Save.
Select a wallpaper (Idle mode)
1.In Menu mode, select Settings → Display and light → Wallpaper.
2.Scroll left or right to an image.
3.Select Set.
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